<?php

/* ~ class.phpmailer.php
  .---------------------------------------------------------------------------.
  |  Software: PHPMailer - PHP email class                                    |
  |   Version: 5.1                                                            |
  |   Contact: via sourceforge.net support pages (also www.worxware.com)      |
  |      Info: http://phpmailer.sourceforge.net                               |
  |   Support: http://sourceforge.net/projects/phpmailer/                     |
  | ------------------------------------------------------------------------- |
  |     Admin: Andy Prevost (project admininistrator)                         |
  |   Authors: Andy Prevost (codeworxtech) codeworxtech@users.sourceforge.net |
  |          : Marcus Bointon (coolbru) coolbru@users.sourceforge.net         |
  |   Founder: Brent R. Matzelle (original founder)                           |
  | Copyright (c) 2004-2009, Andy Prevost. All Rights Reserved.               |
  | Copyright (c) 2001-2003, Brent R. Matzelle                                |
  | ------------------------------------------------------------------------- |
  |   License: Distributed under the Lesser General Public License (LGPL)     |
  |            http://www.gnu.org/copyleft/lesser.html                        |
  | This program is distributed in the hope that it will be useful - WITHOUT  |
  | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or     |
  | FITNESS FOR A PARTICULAR PURPOSE.                                         |
  | ------------------------------------------------------------------------- |
  | We offer a number of paid services (www.worxware.com):                    |
  | - Web Hosting on highly optimized fast and secure servers                 |
  | - Technology Consulting                                                   |
  | - Oursourcing (highly qualified programmers and graphic designers)        |
  '---------------------------------------------------------------------------'
 */

/**
 * PHPMailer - PHP email transport class
 * NOTE: Requires PHP version 5 or later
 * @package PHPMailer
 * @author Andy Prevost
 * @author Marcus Bointon
 * @copyright 2004 - 2009 Andy Prevost
 * @version $Id: class.phpmailer.php 447 2009-05-25 01:36:38Z codeworxtech $
 * @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
 */
 namespace org;
 use think\Exception;
 use org\SMTP;
 
if (version_compare(PHP_VERSION, '5.0.0', '<'))
        exit("Sorry, this version of PHPMailer will only run on PHP version 5 or greater!\n");

class PHPMailer {
        /////////////////////////////////////////////////
        // PROPERTIES, PUBLIC
        /////////////////////////////////////////////////

        /**
         * Email priority (1 = High, 3 = Normal, 5 = low).
         * @var int
         */
        public $Priority = 3;

        /**
         * Sets the CharSet of the message.
         * @var string
         */
        public $CharSet = 'iso-8859-1';

        /**
         * Sets the Content-type of the message.
         * @var string
         */
        public $ContentType = 'text/plain';

        /**
         * Sets the Encoding of the message. Options for this are
         *  "8bit", "7bit", "binary", "base64", and "quoted-printable".
         * @var string
         */
        public $Encoding = '8bit';

        /**
         * Holds the most recent mailer error message.
         * @var string
         */
        public $ErrorInfo = '';

        /**
         * Sets the From email address for the message.
         * @var string
         */
        public $From = 'root@localhost';

        /**
         * Sets the From name of the message.
         * @var string
         */
        public $FromName = 'Root User';

        /**
         * Sets the Sender email (Return-Path) of the message.  If not empty,
         * will be sent via -f to sendmail or as 'MAIL FROM' in smtp mode.
         * @var string
         */
        public $Sender = '';

        /**
         * Sets the Subject of the message.
         * @var string
         */
        public $Subject = '';

        /**
         * Sets the Body of the message.  This can be either an HTML or text body.
         * If HTML then run IsHTML(true).
         * @var string
         */
        public $Body = '';

        /**
         * Sets the text-only body of the message.  This automatically sets the
         * email to multipart/alternative.  This body can be read by mail
         * clients that do not have HTML email capability such as mutt. Clients
         * that can read HTML will view the normal Body.
         * @var string
         */
        public $AltBody = '';

        /**
         * Sets word wrapping on the body of the message to a given number of
         * characters.
         * @var int
         */
        public $WordWrap = 0;

        /**
         * Method to send mail: ("mail", "sendmail", or "smtp").
         * @var string
         */
        public $Mailer = 'mail';

        /**
         * Sets the path of the sendmail program.
         * @var string
         */
        public $Sendmail = '/usr/sbin/sendmail';

        /**
         * Path to PHPMailer plugins.  Useful if the SMTP class
         * is in a different directory than the PHP include path.
         * @var string
         */
        public $PluginDir = '';

        /**
         * Sets the email address that a reading confirmation will be sent.
         * @var string
         */
        public $ConfirmReadingTo = '';

        /**
         * Sets the hostname to use in Message-Id and Received headers
         * and as default HELO string. If empty, the value returned
         * by SERVER_NAME is used or 'localhost.localdomain'.
         * @var string
         */
        public $Hostname = '';

        /**
         * Sets the message ID to be used in the Message-Id header.
         * If empty, a unique id will be generated.
         * @var string
         */
        public $MessageID = '';

        /////////////////////////////////////////////////
        // PROPERTIES FOR SMTP
        /////////////////////////////////////////////////

        /**
         * Sets the SMTP hosts.  All hosts must be separated by a
         * semicolon.  You can also specify a different port
         * for each host by using this format: [hostname:port]
         * (e.g. "smtp1.example.com:25;smtp2.example.com").
         * Hosts will be tried in order.
         * @var string
         */
        public $Host = 'localhost';

        /**
         * Sets the default SMTP server port.
         * @var int
         */
        public $Port = 25;

        /**
         * Sets the SMTP HELO of the message (Default is $Hostname).
         * @var string
         */
        public $Helo = '';

        /**
         * Sets connection prefix.
         * Options are "", "ssl" or "tls"
         * @var string
         */
        public $SMTPSecure = '';

        /**
         * Sets SMTP authentication. Utilizes the Username and Password variables.
         * @var bool
         */
        public $SMTPAuth = false;

        /**
         * Sets SMTP username.
         * @var string
         */
        public $Username = '';

        /**
         * Sets SMTP password.
         * @var string
         */
        public $Password = '';

        /**
         * Sets the SMTP server timeout in seconds.
         * This function will not work with the win32 version.
         * @var int
         */
        public $Timeout = 10;

        /**
         * Sets SMTP class debugging on or off.
         * @var bool
         */
        public $SMTPDebug = false;

        /**
         * Prevents the SMTP connection from being closed after each mail
         * sending.  If this is set to true then to close the connection
         * requires an explicit call to SmtpClose().
         * @var bool
         */
        public $SMTPKeepAlive = false;

        /**
         * Provides the ability to have the TO field process individual
         * emails, instead of sending to entire TO addresses
         * @var bool
         */
        public $SingleTo = false;

        /**
         * If SingleTo is true, this provides the array to hold the email addresses
         * @var bool
         */
        public $SingleToArray = array();

        /**
         * Provides the ability to change the line ending
         * @var string
         */
        public $LE = "\n";

        /**
         * Used with DKIM DNS Resource Record
         * @var string
         */
        public $DKIM_selector = 'phpmailer';

        /**
         * Used with DKIM DNS Resource Record
         * optional, in format of email address 'you@yourdomain.com'
         * @var string
         */
        public $DKIM_identity = '';

        /**
         * Used with DKIM DNS Resource Record
         * optional, in format of email address 'you@yourdomain.com'
         * @var string
         */
        public $DKIM_domain = '';

        /**
         * Used with DKIM DNS Resource Record
         * optional, in format of email address 'you@yourdomain.com'
         * @var string
         */
        public $DKIM_private = '';

        /**
         * Callback Action function name
         * the function that handles the result of the send email action. Parameters:
         *   bool    $result        result of the send action
         *   string  $to            email address of the recipient
         *   string  $cc            cc email addresses
         *   string  $bcc           bcc email addresses
         *   string  $subject       the subject
         *   string  $body          the email body
         * @var string
         */
        public $action_function = ''; //'callbackAction';

        /**
         * Sets the PHPMailer Version number
         * @var string
         */
        public $Version = '5.1';
        /////////////////////////////////////////////////
        // PROPERTIES, PRIVATE AND PROTECTED
        /////////////////////////////////////////////////

        private $smtp = NULL;
        private $to = array();
        private $cc = array();
        private $bcc = array();
        private $ReplyTo = array();
        private $all_recipients = array();
        private $attachment = array();
        private $CustomHeader = array();
        private $message_type = '';
        private $boundary = array();
        protected $language = array();
        private $error_count = 0;
        private $sign_cert_file = "";
        private $sign_key_file = "";
        private $sign_key_pass = "";
        private $exceptions = false;

        /////////////////////////////////////////////////
        // CONSTANTS
        /////////////////////////////////////////////////

        const STOP_MESSAGE = 0; // message only, continue processing
        const STOP_CONTINUE = 1; // message?, likely ok to continue processing
        const STOP_CRITICAL = 2; // message, plus full stop, critical error reached

        /////////////////////////////////////////////////
        // METHODS, VARIABLES
        /////////////////////////////////////////////////

        /**
         * Constructor
         * @param boolean $exceptions Should we throw external exceptions?
         */
        public function __construct($exceptions = false) {
                $this->exceptions = ($exceptions == true);
        }

        /**
         * Sets message type to HTML.
         * @param bool $ishtml
         * @return void
         */
        public function IsHTML($ishtml = true) {
                if ($ishtml) {
                        $this->ContentType = 'text/html';
                } else {
                        $this->ContentType = 'text/plain';
                }
        }

        /**
         * Sets Mailer to send message using SMTP.
         * @return void
         */
        public function IsSMTP() {
                $this->Mailer = 'smtp';
        }

        /**
         * Sets Mailer to send message using PHP mail() function.
         * @return void
         */
        public function IsMail() {
                $this->Mailer = 'mail';
        }

        /**
         * Sets Mailer to send message using the $Sendmail program.
         * @return void
         */
        public function IsSendmail() {
                if (!stristr(ini_get('sendmail_path'), 'sendmail')) {
                        $this->Sendmail = '/var/qmail/bin/sendmail';
                }
                $this->Mailer = 'sendmail';
        }

        /**
         * Sets Mailer to send message using the qmail MTA.
         * @return void
         */
        public function IsQmail() {
                if (stristr(ini_get('sendmail_path'), 'qmail')) {
                        $this->Sendmail = '/var/qmail/bin/sendmail';
                }
                $this->Mailer = 'sendmail';
        }

        /////////////////////////////////////////////////
        // METHODS, RECIPIENTS
        /////////////////////////////////////////////////

        /**
         * Adds a "To" address.
         * @param string $address
         * @param string $name
         * @return boolean true on success, false if address already used
         */
        public function AddAddress($address, $name = '') {
                return $this->AddAnAddress('to', $address, $name);
        }

        /**
         * Adds a "Cc" address.
         * Note: this function works with the SMTP mailer on win32, not with the "mail" mailer.
         * @param string $address
         * @param string $name
         * @return boolean true on success, false if address already used
         */
        public function AddCC($address, $name = '') {
                return $this->AddAnAddress('cc', $address, $name);
        }

        /**
         * Adds a "Bcc" address.
         * Note: this function works with the SMTP mailer on win32, not with the "mail" mailer.
         * @param string $address
         * @param string $name
         * @return boolean true on success, false if address already used
         */
        public function AddBCC($address, $name = '') {
                return $this->AddAnAddress('bcc', $address, $name);
        }

        /**
         * Adds a "Reply-to" address.
         * @param string $address
         * @param string $name
         * @return boolean
         */
        public function AddReplyTo($address, $name = '') {
                return $this->AddAnAddress('ReplyTo', $address, $name);
        }

        /**
         * Adds an address to one of the recipient arrays
         * Addresses that have been added already return false, but do not throw exceptions
         * @param string $kind One of 'to', 'cc', 'bcc', 'ReplyTo'
         * @param string $address The email address to send to
         * @param string $name
         * @return boolean true on success, false if address already used or invalid in some way
         * @access private
         */
        private function AddAnAddress($kind, $address, $name = '') {
                if (!preg_match('/^(to|cc|bcc|ReplyTo)$/', $kind)) {
                        echo 'Invalid recipient array: ' . kind;
                        return false;
                }
                $address = trim($address);
                $name = trim(preg_replace('/[\r\n]+/', '', $name)); //Strip breaks and trim
                if (!self::ValidateAddress($address)) {
                        $this->SetError($this->Lang('invalid_address') . ': ' . $address);
                        if ($this->exceptions) {
                                throw new phpmailerException($this->Lang('invalid_address') . ': ' . $address);
                        }
                        echo $this->Lang('invalid_address') . ': ' . $address;
                        return false;
                }
                if ($kind != 'ReplyTo') {
                        if (!isset($this->all_recipients[strtolower($address)])) {
                                array_push($this->$kind, array($address, $name));
                                $this->all_recipients[strtolower($address)] = true;
                                return true;
                        }
                } else {
                        if (!array_key_exists(strtolower($address), $this->ReplyTo)) {
                                $this->ReplyTo[strtolower($address)] = array($address, $name);
                                return true;
                        }
                }
                return false;
        }

        /**
         * Set the From and FromName properties
         * @param string $address
         * @param string $name
         * @return boolean
         */
        public function SetFrom($address, $name = '', $auto = 1) {
                $address = trim($address);
                $name = trim(preg_replace('/[\r\n]+/', '', $name)); //Strip breaks and trim
                if (!self::ValidateAddress($address)) {
                        $this->SetError($this->Lang('invalid_address') . ': ' . $address);
                        if ($this->exceptions) {
                                throw new phpmailerException($this->Lang('invalid_address') . ': ' . $address);
                        }
                        echo $this->Lang('invalid_address') . ': ' . $address;
                        return false;
                }
                $this->From = $address;
                $this->FromName = $name;
                if ($auto) {
                        if (empty($this->ReplyTo)) {
                                $this->AddAnAddress('ReplyTo', $address, $name);
                        }
                        if (empty($this->Sender)) {
                                $this->Sender = $address;
                        }
                }
                return true;
        }

        /**
         * Check that a string looks roughly like an email address should
         * Static so it can be used without instantiation
         * Tries to use PHP built-in validator in the filter extension (from PHP 5.2), falls back to a reasonably competent regex validator
         * Conforms approximately to RFC2822
         * @link http://www.hexillion.com/samples/#Regex Original pattern found here
         * @param string $address The email address to check
         * @return boolean
         * @static
         * @access public
         */
        public static function ValidateAddress($address) {
                if (function_exists('filter_var')) { //Introduced in PHP 5.2
                        if (filter_var($address, FILTER_VALIDATE_EMAIL) === FALSE) {
                                return false;
                        } else {
                                return true;
                        }
                } else {
                        return preg_match('/^(?:[\w\!\#\$\%\&\'\*\+\-\/\=\?\^\`\{\|\}\~]+\.)*[\w\!\#\$\%\&\'\*\+\-\/\=\?\^\`\{\|\}\~]+@(?:(?:(?:[a-zA-Z0-9_](?:[a-zA-Z0-9_\-](?!\.)){0,61}[a-zA-Z0-9_-]?\.)+[a-zA-Z0-9_](?:[a-zA-Z0-9_\-](?!$)){0,61}[a-zA-Z0-9_]?)|(?:\[(?:(?:[01]?\d{1,2}|2[0-4]\d|25[0-5])\.){3}(?:[01]?\d{1,2}|2[0-4]\d|25[0-5])\]))$/', $address);
                }
        }

        /////////////////////////////////////////////////
        // METHODS, MAIL SENDING
        /////////////////////////////////////////////////

        /**
         * Creates message and assigns Mailer. If the message is
         * not sent successfully then it returns false.  Use the ErrorInfo
         * variable to view description of the error.
         * @return bool
         */
        public function Send() {
                try {
                        if ((count($this->to) + count($this->cc) + count($this->bcc)) < 1) {
                                throw new phpmailerException($this->Lang('provide_address'), self::STOP_CRITICAL);
                        }

                        // Set whether the message is multipart/alternative
                        if (!empty($this->AltBody)) {
                                $this->ContentType = 'multipart/alternative';
                        }

                        $this->error_count = 0; // reset errors
                        $this->SetMessageType();
                        $header = $this->CreateHeader();
                        $body = $this->CreateBody();

                        if (empty($this->Body)) {
                                throw new phpmailerException($this->Lang('empty_message'), self::STOP_CRITICAL);
                        }

                        // digitally sign with DKIM if enabled
                        if ($this->DKIM_domain && $this->DKIM_private) {
                                $header_dkim = $this->DKIM_Add($header, $this->Subject, $body);
                                $header = str_replace("\r\n", "\n", $header_dkim) . $header;
                        }

                        // Choose the mailer and send through it
                        switch ($this->Mailer) {
                                case 'sendmail':
                                        return $this->SendmailSend($header, $body);
                                case 'smtp':
                                        return $this->SmtpSend($header, $body);
                                default:
                                        return $this->MailSend($header, $body);
                        }
                } catch (phpmailerException $e) {
                        $this->SetError($e->getMessage());
                        if ($this->exceptions) {
                                throw $e;
                        }
                        echo $e->getMessage() . "\n";
                        return false;
                }
        }

        /**
         * Sends mail using the $Sendmail program.
         * @param string $header The message headers
         * @param string $body The message body
         * @access protected
         * @return bool
         */
        protected function SendmailSend($header, $body) {
                if ($this->Sender != '') {
                        $sendmail = sprintf("%s -oi -f %s -t", escapeshellcmd($this->Sendmail), escapeshellarg($this->Sender));
                } else {
                        $sendmail = sprintf("%s -oi -t", escapeshellcmd($this->Sendmail));
                }
                if ($this->SingleTo === true) {
                        foreach ($this->SingleToArray as $key => $val) {
                                if (!@$mail = popen($sendmail, 'w')) {
                                        throw new phpmailerException($this->Lang('execute') . $this->Sendmail, self::STOP_CRITICAL);
                                }
                                fputs($mail, "To: " . $val . "\n");
                                fputs($mail, $header);
                                fputs($mail, $body);
                                $result = pclose($mail);
                                // implement call back function if it exists
                                $isSent = ($result == 0) ? 1 : 0;
                                $this->doCallback($isSent, $val, $this->cc, $this->bcc, $this->Subject, $body);
                                if ($result != 0) {
                                        throw new phpmailerException($this->Lang('execute') . $this->Sendmail, self::STOP_CRITICAL);
                                }
                        }
                } else {
                        if (!@$mail = popen($sendmail, 'w')) {
                                throw new phpmailerException($this->Lang('execute') . $this->Sendmail, self::STOP_CRITICAL);
                        }
                        fputs($mail, $header);
                        fputs($mail, $body);
                        $result = pclose($mail);
                        // implement call back function if it exists
                        $isSent = ($result == 0) ? 1 : 0;
                        $this->doCallback($isSent, $this->to, $this->cc, $this->bcc, $this->Subject, $body);
                        if ($result != 0) {
                                throw new phpmailerException($this->Lang('execute') . $this->Sendmail, self::STOP_CRITICAL);
                        }
                }
                return true;
        }

        /**
         * Sends mail using the PHP mail() function.
         * @param string $header The message headers
         * @param string $body The message body
         * @access protected
         * @return bool
         */
        protected function MailSend($header, $body) {
                $toArr = array();
                foreach ($this->to as $t) {
                        $toArr[] = $this->AddrFormat($t);
                }
                $to = implode(', ', $toArr);

                $params = sprintf("-oi -f %s", $this->Sender);
                if ($this->Sender != '' && strlen(ini_get('safe_mode')) < 1) {
                        $old_from = ini_get('sendmail_from');
                        ini_set('sendmail_from', $this->Sender);
                        if ($this->SingleTo === true && count($toArr) > 1) {
                                foreach ($toArr as $key => $val) {
                                        $rt = @mail($val, $this->EncodeHeader($this->SecureHeader($this->Subject)), $body, $header, $params);
                                        // implement call back function if it exists
                                        $isSent = ($rt == 1) ? 1 : 0;
                                        $this->doCallback($isSent, $val, $this->cc, $this->bcc, $this->Subject, $body);
                                }
                        } else {
                                $rt = @mail($to, $this->EncodeHeader($this->SecureHeader($this->Subject)), $body, $header, $params);
                                // implement call back function if it exists
                                $isSent = ($rt == 1) ? 1 : 0;
                                $this->doCallback($isSent, $to, $this->cc, $this->bcc, $this->Subject, $body);
                        }
                } else {
                        if ($this->SingleTo === true && count($toArr) > 1) {
                                foreach ($toArr as $key => $val) {
                                        $rt = @mail($val, $this->EncodeHeader($this->SecureHeader($this->Subject)), $body, $header, $params);
                                        // implement call back function if it exists
                                        $isSent = ($rt == 1) ? 1 : 0;
                                        $this->doCallback($isSent, $val, $this->cc, $this->bcc, $this->Subject, $body);
                                }
                        } else {
                                $rt = @mail($to, $this->EncodeHeader($this->SecureHeader($this->Subject)), $body, $header);
                                // implement call back function if it exists
                                $isSent = ($rt == 1) ? 1 : 0;
                                $this->doCallback($isSent, $to, $this->cc, $this->bcc, $this->Subject, $body);
                        }
                }
                if (isset($old_from)) {
                        ini_set('sendmail_from', $old_from);
                }
                if (!$rt) {
                        throw new phpmailerException($this->Lang('instantiate'), self::STOP_CRITICAL);
                }
                return true;
        }

        /**
         * Sends mail via SMTP using PhpSMTP
         * Returns false if there is a bad MAIL FROM, RCPT, or DATA input.
         * @param string $header The message headers
         * @param string $body The message body
         * @uses SMTP
         * @access protected
         * @return bool
         */
        protected function SmtpSend($header, $body) {
               // require_once $this->PluginDir . 'class.smtp.php';
                $bad_rcpt = array();

                if (!$this->SmtpConnect()) {
                        throw new phpmailerException($this->Lang('smtp_connect_failed'), self::STOP_CRITICAL);
                }
                $smtp_from = ($this->Sender == '') ? $this->From : $this->Sender;
                if (!$this->smtp->Mail($smtp_from)) {
                        throw new phpmailerException($this->Lang('from_failed') . $smtp_from, self::STOP_CRITICAL);
                }

                // Attempt to send attach all recipients
                foreach ($this->to as $to) {
                        if (!$this->smtp->Recipient($to[0])) {
                                $bad_rcpt[] = $to[0];
                                // implement call back function if it exists
                                $isSent = 0;
                                $this->doCallback($isSent, $to[0], '', '', $this->Subject, $body);
                        } else {
                                // implement call back function if it exists
                                $isSent = 1;
                                $this->doCallback($isSent, $to[0], '', '', $this->Subject, $body);
                        }
                }
                foreach ($this->cc as $cc) {
                        if (!$this->smtp->Recipient($cc[0])) {
                                $bad_rcpt[] = $cc[0];
                                // implement call back function if it exists
                                $isSent = 0;
                                $this->doCallback($isSent, '', $cc[0], '', $this->Subject, $body);
                        } else {
                                // implement call back function if it exists
                                $isSent = 1;
                                $this->doCallback($isSent, '', $cc[0], '', $this->Subject, $body);
                        }
                }
                foreach ($this->bcc as $bcc) {
                        if (!$this->smtp->Recipient($bcc[0])) {
                                $bad_rcpt[] = $bcc[0];
                                // implement call back function if it exists
                                $isSent = 0;
                                $this->doCallback($isSent, '', '', $bcc[0], $this->Subject, $body);
                        } else {
                                // implement call back function if it exists
                                $isSent = 1;
                                $this->doCallback($isSent, '', '', $bcc[0], $this->Subject, $body);
                        }
                }


                if (count($bad_rcpt) > 0) { //Create error message for any bad addresses
                        $badaddresses = implode(', ', $bad_rcpt);
                        throw new phpmailerException($this->Lang('recipients_failed') . $badaddresses);
                }
                if (!$this->smtp->Data($header . $body)) {
                        throw new phpmailerException($this->Lang('data_not_accepted'), self::STOP_CRITICAL);
                }
                if ($this->SMTPKeepAlive == true) {
                        $this->smtp->Reset();
                }
                return true;
        }

        /**
         * Initiates a connection to an SMTP server.
         * Returns false if the operation failed.
         * @uses SMTP
         * @access public
         * @return bool
         */
        public function SmtpConnect() {
                if (is_null($this->smtp)) {
                        $this->smtp = new SMTP();
                }

                $this->smtp->do_debug = $this->SMTPDebug;
                $hosts = explode(';', $this->Host);
                $index = 0;
                $connection = $this->smtp->Connected();

                // Retry while there is no connection
                try {
                        while ($index < count($hosts) && !$connection) {
                                $hostinfo = array();
                                if (preg_match('/^(.+):([0-9]+)$/', $hosts[$index], $hostinfo)) {
                                        $host = $hostinfo[1];
                                        $port = $hostinfo[2];
                                } else {
                                        $host = $hosts[$index];
                                        $port = $this->Port;
                                }

                                $tls = ($this->SMTPSecure == 'tls');
                                $ssl = ($this->SMTPSecure == 'ssl');

                                if ($this->smtp->Connect(($ssl ? 'ssl://' : '') . $host, $port, $this->Timeout)) {

                                        $hello = ($this->Helo != '' ? $this->Helo : $this->ServerHostname());
                                        $this->smtp->Hello($hello);

                                        if ($tls) {
                                                if (!$this->smtp->StartTLS()) {
                                                        throw new phpmailerException($this->Lang('tls'));
                                                }

                                                //We must resend HELO after tls negotiation
                                                $this->smtp->Hello($hello);
                                        }

                                        $connection = true;
                                        if ($this->SMTPAuth) {
                                                if (!$this->smtp->Authenticate($this->Username, $this->Password)) {
                                                        throw new phpmailerException($this->Lang('authenticate'));
                                                }
                                        }
                                }
                                $index++;
                                if (!$connection) {
                                        throw new phpmailerException($this->Lang('connect_host'));
                                }
                        }
                } catch (phpmailerException $e) {
                        $this->smtp->Reset();
                        throw $e;
                }
                return true;
        }

        /**
         * Closes the active SMTP session if one exists.
         * @return void
         */
        public function SmtpClose() {
                if (!is_null($this->smtp)) {
                        if ($this->smtp->Connected()) {
                                $this->smtp->Quit();
                                $this->smtp->Close();
                        }
                }
        }

        /**
         * Sets the language for all class error messages.
         * Returns false if it cannot load the language file.  The default language is English.
         * @param string $langcode ISO 639-1 2-character language code (e.g. Portuguese: "br")
         * @param string $lang_path Path to the language file directory
         * @access public
         */
        function SetLanguage($langcode = 'en', $lang_path = 'language/') {
                //Define full set of translatable strings
                $PHPMAILER_LANG = array(
                    'provide_address' => 'You must provide at least one recipient email address.',
                    'mailer_not_supported' => ' mailer is not supported.',
                    'execute' => 'Could not execute: ',
                    'instantiate' => 'Could not instantiate mail function.',
                    'authenticate' => 'SMTP Error: Could not authenticate.',
                    'from_failed' => 'The following From address failed: ',
                    'recipients_failed' => 'SMTP Error: The following recipients failed: ',
                    'data_not_accepted' => 'SMTP Error: Data not accepted.',
                    'connect_host' => 'SMTP Error: Could not connect to SMTP host.',
                    'file_access' => 'Could not access file: ',
                    'file_open' => 'File Error: Could not open file: ',
                    'encoding' => 'Unknown encoding: ',
                    'signing' => 'Signing Error: ',
                    'smtp_error' => 'SMTP server error: ',
                    'empty_message' => 'Message body empty',
                    'invalid_address' => 'Invalid address',
                    'variable_set' => 'Cannot set or reset variable: '
                );
                //Overwrite language-specific strings. This way we'll never have missing translations - no more "language string failed to load"!
                $l = true;
                if ($langcode != 'en') { //There is no English translation file
                        $l = @include $lang_path . 'phpmailer.lang-' . $langcode . '.php';
                }
                $this->language = $PHPMAILER_LANG;
                return ($l == true); //Returns false if language not found
        }

        /**
         * Return the current array of language strings
         * @return array
         */
        public function GetTranslations() {
                return $this->language;
        }

        /////////////////////////////////////////////////
        // METHODS, MESSAGE CREATION
        /////////////////////////////////////////////////

        /**
         * Creates recipient headers.
         * @access public
         * @return string
         */
        public function AddrAppend($type, $addr) {
                $addr_str = $type . ': ';
                $addresses = array();
                foreach ($addr as $a) {
                        $addresses[] = $this->AddrFormat($a);
                }
                $addr_str .= implode(', ', $addresses);
                $addr_str .= $this->LE;

                return $addr_str;
        }

        /**
         * Formats an address correctly.
         * @access public
         * @return string
         */
        public function AddrFormat($addr) {
                if (empty($addr[1])) {
                        return $this->SecureHeader($addr[0]);
                } else {
                        return $this->EncodeHeader($this->SecureHeader($addr[1]), 'phrase') . " <" . $this->SecureHeader($addr[0]) . ">";
                }
        }

        /**
         * Wraps message for use with mailers that do not
         * automatically perform wrapping and for quoted-printable.
         * Original written by philippe.
         * @param string $message The message to wrap
         * @param integer $length The line length to wrap to
         * @param boolean $qp_mode Whether to run in Quoted-Printable mode
         * @access public
         * @return string
         */
        public function WrapText($message, $length, $qp_mode = false) {
                $soft_break = ($qp_mode) ? sprintf(" =%s", $this->LE) : $this->LE;
                // If utf-8 encoding is used, we will need to make sure we don't
                // split multibyte characters when we wrap
                $is_utf8 = (strtolower($this->CharSet) == "utf-8");

                $message = $this->FixEOL($message);
                if (substr($message, -1) == $this->LE) {
                        $message = substr($message, 0, -1);
                }

                $line = explode($this->LE, $message);
                $message = '';
                for ($i = 0; $i < count($line); $i++) {
                        $line_part = explode(' ', $line[$i]);
                        $buf = '';
                        for ($e = 0; $e < count($line_part); $e++) {
                                $word = $line_part[$e];
                                if ($qp_mode and (strlen($word) > $length)) {
                                        $space_left = $length - strlen($buf) - 1;
                                        if ($e != 0) {
                                                if ($space_left > 20) {
                                                        $len = $space_left;
                                                        if ($is_utf8) {
                                                                $len = $this->UTF8CharBoundary($word, $len);
                                                        } elseif (substr($word, $len - 1, 1) == "=") {
                                                                $len--;
                                                        } elseif (substr($word, $len - 2, 1) == "=") {
                                                                $len -= 2;
                                                        }
                                                        $part = substr($word, 0, $len);
                                                        $word = substr($word, $len);
                                                        $buf .= ' ' . $part;
                                                        $message .= $buf . sprintf("=%s", $this->LE);
                                                } else {
                                                        $message .= $buf . $soft_break;
                                                }
                                                $buf = '';
                                        }
                                        while (strlen($word) > 0) {
                                                $len = $length;
                                                if ($is_utf8) {
                                                        $len = $this->UTF8CharBoundary($word, $len);
                                                } elseif (substr($word, $len - 1, 1) == "=") {
                                                        $len--;
                                                } elseif (substr($word, $len - 2, 1) == "=") {
                                                        $len -= 2;
                                                }
                                                $part = substr($word, 0, $len);
                                                $word = substr($word, $len);

                                                if (strlen($word) > 0) {
                                                        $message .= $part . sprintf("=%s", $this->LE);
                                                } else {
                                                        $buf = $part;
                                                }
                                        }
                                } else {
                                        $buf_o = $buf;
                                        $buf .= ($e == 0) ? $word : (' ' . $word);

                                        if (strlen($buf) > $length and $buf_o != '') {
                                                $message .= $buf_o . $soft_break;
                                                $buf = $word;
                                        }
                                }
                        }
                        $message .= $buf . $this->LE;
                }

                return $message;
        }

        /**
         * Finds last character boundary prior to maxLength in a utf-8
         * quoted (printable) encoded string.
         * Original written by Colin Brown.
         * @access public
         * @param string $encodedText utf-8 QP text
         * @param int    $maxLength   find last character boundary prior to this length
         * @return int
         */
        public function UTF8CharBoundary($encodedText, $maxLength) {
                $foundSplitPos = false;
                $lookBack = 3;
                while (!$foundSplitPos) {
                        $lastChunk = substr($encodedText, $maxLength - $lookBack, $lookBack);
                        $encodedCharPos = strpos($lastChunk, "=");
                        if ($encodedCharPos !== false) {
                                // Found start of encoded character byte within $lookBack block.
                                // Check the encoded byte value (the 2 chars after the '=')
                                $hex = substr($encodedText, $maxLength - $lookBack + $encodedCharPos + 1, 2);
                                $dec = hexdec($hex);
                                if ($dec < 128) { // Single byte character.
                                        // If the encoded char was found at pos 0, it will fit
                                        // otherwise reduce maxLength to start of the encoded char
                                        $maxLength = ($encodedCharPos == 0) ? $maxLength :
                                                $maxLength - ($lookBack - $encodedCharPos);
                                        $foundSplitPos = true;
                                } elseif ($dec >= 192) { // First byte of a multi byte character
                                        // Reduce maxLength to split at start of character
                                        $maxLength = $maxLength - ($lookBack - $encodedCharPos);
                                        $foundSplitPos = true;
                                } elseif ($dec < 192) { // Middle byte of a multi byte character, look further back
                                        $lookBack += 3;
                                }
                        } else {
                                // No encoded character found
                                $foundSplitPos = true;
                        }
                }
                return $maxLength;
        }

        /**
         * Set the body wrapping.
         * @access public
         * @return void
         */
        public function SetWordWrap() {
                if ($this->WordWrap < 1) {
                        return;
                }

                switch ($this->message_type) {
                        case 'alt':
                        case 'alt_attachments':
                                $this->AltBody = $this->WrapText($this->AltBody, $this->WordWrap);
                                break;
                        default:
                                $this->Body = $this->WrapText($this->Body, $this->WordWrap);
                                break;
                }
        }

        /**
         * Assembles message header.
         * @access public
         * @return string The assembled header
         */
        public function CreateHeader() {
                $result = '';

                // Set the boundaries
                $uniq_id = md5(uniqid(time()));
                $this->boundary[1] = 'b1_' . $uniq_id;
                $this->boundary[2] = 'b2_' . $uniq_id;

                $result .= $this->HeaderLine('Date', self::RFCDate());
                if ($this->Sender == '') {
                        $result .= $this->HeaderLine('Return-Path', trim($this->From));
                } else {
                        $result .= $this->HeaderLine('Return-Path', trim($this->Sender));
                }

                // To be created automatically by mail()
                if ($this->Mailer != 'mail') {
                        if ($this->SingleTo === true) {
                                foreach ($this->to as $t) {
                                        $this->SingleToArray[] = $this->AddrFormat($t);
                                }
                        } else {
                                if (count($this->to) > 0) {
                                        $result .= $this->AddrAppend('To', $this->to);
                                } elseif (count($this->cc) == 0) {
                                        $result .= $this->HeaderLine('To', 'undisclosed-recipients:;');
                                }
                        }
                }

                $from = array();
                $from[0][0] = trim($this->From);
                $from[0][1] = $this->FromName;
                $result .= $this->AddrAppend('From', $from);

                // sendmail and mail() extract Cc from the header before sending
                if (count($this->cc) > 0) {
                        $result .= $this->AddrAppend('Cc', $this->cc);
                }

                // sendmail and mail() extract Bcc from the header before sending
                if ((($this->Mailer == 'sendmail') || ($this->Mailer == 'mail')) && (count($this->bcc) > 0)) {
                        $result .= $this->AddrAppend('Bcc', $this->bcc);
                }

                if (count($this->ReplyTo) > 0) {
                        $result .= $this->AddrAppend('Reply-to', $this->ReplyTo);
                }

                // mail() sets the subject itself
                if ($this->Mailer != 'mail') {
                        $result .= $this->HeaderLine('Subject', $this->EncodeHeader($this->SecureHeader($this->Subject)));
                }

                if ($this->MessageID != '') {
                        $result .= $this->HeaderLine('Message-ID', $this->MessageID);
                } else {
                        $result .= sprintf("Message-ID: <%s@%s>%s", $uniq_id, $this->ServerHostname(), $this->LE);
                }
                $result .= $this->HeaderLine('X-Priority', $this->Priority);
                $result .= $this->HeaderLine('X-Mailer', 'PHPMailer ' . $this->Version . ' (phpmailer.sourceforge.net)');

                if ($this->ConfirmReadingTo != '') {
                        $result .= $this->HeaderLine('Disposition-Notification-To', '<' . trim($this->ConfirmReadingTo) . '>');
                }

                // Add custom headers
                for ($index = 0; $index < count($this->CustomHeader); $index++) {
                        $result .= $this->HeaderLine(trim($this->CustomHeader[$index][0]), $this->EncodeHeader(trim($this->CustomHeader[$index][1])));
                }
                if (!$this->sign_key_file) {
                        $result .= $this->HeaderLine('MIME-Version', '1.0');
                        $result .= $this->GetMailMIME();
                }

                return $result;
        }

        /**
         * Returns the message MIME.
         * @access public
         * @return string
         */
        public function GetMailMIME() {
                $result = '';
                switch ($this->message_type) {
                        case 'plain':
                                $result .= $this->HeaderLine('Content-Transfer-Encoding', $this->Encoding);
                                $result .= sprintf("Content-Type: %s; charset=\"%s\"", $this->ContentType, $this->CharSet);
                                break;
                        case 'attachments':
                        case 'alt_attachments':
                                if ($this->InlineImageExists()) {
                                        $result .= sprintf("Content-Type: %s;%s\ttype=\"text/html\";%s\tboundary=\"%s\"%s", 'multipart/related', $this->LE, $this->LE, $this->boundary[1], $this->LE);
                                } else {
                                        $result .= $this->HeaderLine('Content-Type', 'multipart/mixed;');
                                        $result .= $this->TextLine("\tboundary=\"" . $this->boundary[1] . '"');
                                }
                                break;
                        case 'alt':
                                $result .= $this->HeaderLine('Content-Type', 'multipart/alternative;');
                                $result .= $this->TextLine("\tboundary=\"" . $this->boundary[1] . '"');
                                break;
                }

                if ($this->Mailer != 'mail') {
                        $result .= $this->LE . $this->LE;
                }

                return $result;
        }

        /**
         * Assembles the message body.  Returns an empty string on failure.
         * @access public
         * @return string The assembled message body
         */
        public function CreateBody() {
                $body = '';

                if ($this->sign_key_file) {
                        $body .= $this->GetMailMIME();
                }

                $this->SetWordWrap();

                switch ($this->message_type) {
                        case 'alt':
                                $body .= $this->GetBoundary($this->boundary[1], '', 'text/plain', '');
                                $body .= $this->EncodeString($this->AltBody, $this->Encoding);
                                $body .= $this->LE . $this->LE;
                                $body .= $this->GetBoundary($this->boundary[1], '', 'text/html', '');
                                $body .= $this->EncodeString($this->Body, $this->Encoding);
                                $body .= $this->LE . $this->LE;
                                $body .= $this->EndBoundary($this->boundary[1]);
                                break;
                        case 'plain':
                                $body .= $this->EncodeString($this->Body, $this->Encoding);
                                break;
                        case 'attachments':
                                $body .= $this->GetBoundary($this->boundary[1], '', '', '');
                                $body .= $this->EncodeString($this->Body, $this->Encoding);
                                $body .= $this->LE;
                                $body .= $this->AttachAll();
                                break;
                        case 'alt_attachments':
                                $body .= sprintf("--%s%s", $this->boundary[1], $this->LE);
                                $body .= sprintf("Content-Type: %s;%s" . "\tboundary=\"%s\"%s", 'multipart/alternative', $this->LE, $this->boundary[2], $this->LE . $this->LE);
                                $body .= $this->GetBoundary($this->boundary[2], '', 'text/plain', '') . $this->LE; // Create text body
                                $body .= $this->EncodeString($this->AltBody, $this->Encoding);
                                $body .= $this->LE . $this->LE;
                                $body .= $this->GetBoundary($this->boundary[2], '', 'text/html', '') . $this->LE; // Create the HTML body
                                $body .= $this->EncodeString($this->Body, $this->Encoding);
                                $body .= $this->LE . $this->LE;
                                $body .= $this->EndBoundary($this->boundary[2]);
                                $body .= $this->AttachAll();
                                break;
                }

                if ($this->IsError()) {
                        $body = '';
                } elseif ($this->sign_key_file) {
                        try {
                                $file = tempnam('', 'mail');
                                file_put_contents($file, $body); //TODO check this worked
                                $signed = tempnam("", "signed");
                                if (@openssl_pkcs7_sign($file, $signed, "file://" . $this->sign_cert_file, array("file://" . $this->sign_key_file, $this->sign_key_pass), NULL)) {
                                        @unlink($file);
                                        @unlink($signed);
                                        $body = file_get_contents($signed);
                                } else {
                                        @unlink($file);
                                        @unlink($signed);
                                        throw new phpmailerException($this->Lang("signing") . openssl_error_string());
                                }
                        } catch (phpmailerException $e) {
                                $body = '';
                                if ($this->exceptions) {
                                        throw $e;
                                }
                        }
                }

                return $body;
        }

        /**
         * Returns the start of a message boundary.
         * @access private
         */
        private function GetBoundary($boundary, $charSet, $contentType, $encoding) {
                $result = '';
                if ($charSet == '') {
                        $charSet = $this->CharSet;
                }
                if ($contentType == '') {
                        $contentType = $this->ContentType;
                }
                if ($encoding == '') {
                        $encoding = $this->Encoding;
                }
                $result .= $this->TextLine('--' . $boundary);
                $result .= sprintf("Content-Type: %s; charset = \"%s\"", $contentType, $charSet);
                $result .= $this->LE;
                $result .= $this->HeaderLine('Content-Transfer-Encoding', $encoding);
                $result .= $this->LE;

                return $result;
        }

        /**
         * Returns the end of a message boundary.
         * @access private
         */
        private function EndBoundary($boundary) {
                return $this->LE . '--' . $boundary . '--' . $this->LE;
        }

        /**
         * Sets the message type.
         * @access private
         * @return void
         */
        private function SetMessageType() {
                if (count($this->attachment) < 1 && strlen($this->AltBody) < 1) {
                        $this->message_type = 'plain';
                } else {
                        if (count($this->attachment) > 0) {
                                $this->message_type = 'attachments';
                        }
                        if (strlen($this->AltBody) > 0 && count($this->attachment) < 1) {
                                $this->message_type = 'alt';
                        }
                        if (strlen($this->AltBody) > 0 && count($this->attachment) > 0) {
                                $this->message_type = 'alt_attachments';
                        }
                }
        }

        /**
         *  Returns a formatted header line.
         * @access public
         * @return string
         */
        public function HeaderLine($name, $value) {
                return $name . ': ' . $value . $this->LE;
        }

        /**
         * Returns a formatted mail line.
         * @access public
         * @return string
         */
        public function TextLine($value) {
                return $value . $this->LE;
        }

        /////////////////////////////////////////////////
        // CLASS METHODS, ATTACHMENTS
        /////////////////////////////////////////////////

        /**
         * Adds an attachment from a path on the filesystem.
         * Returns false if the file could not be found
         * or accessed.
         * @param string $path Path to the attachment.
         * @param string $name Overrides the attachment name.
         * @param string $encoding File encoding (see $Encoding).
         * @param string $type File extension (MIME) type.
         * @return bool
         */
        public function AddAttachment($path, $name = '', $encoding = 'base64', $type = 'application/octet-stream') {
                try {
                        if (!@is_file($path)) {
                                throw new phpmailerException($this->Lang('file_access') . $path, self::STOP_CONTINUE);
                        }
                        $filename = basename($path);
                        if ($name == '') {
                                $name = $filename;
                        }

                        $this->attachment[] = array(
                            0 => $path,
                            1 => $filename,
                            2 => $name,
                            3 => $encoding,
                            4 => $type,
                            5 => false, // isStringAttachment
                            6 => 'attachment',
                            7 => 0
                        );
                } catch (phpmailerException $e) {
                        $this->SetError($e->getMessage());
                        if ($this->exceptions) {
                                throw $e;
                        }
                        echo $e->getMessage() . "\n";
                        if ($e->getCode() == self::STOP_CRITICAL) {
                                return false;
                        }
                }
                return true;
        }

        /**
         * Return the current array of attachments
         * @return array
         */
        public function GetAttachments() {
                return $this->attachment;
        }

        /**
         * Attaches all fs, string, and binary attachments to the message.
         * Returns an empty string on failure.
         * @access private
         * @return string
         */
        private function AttachAll() {
                // Return text of body
                $mime = array();
                $cidUniq = array();
                $incl = array();

                // Add all attachments
                foreach ($this->attachment as $attachment) {
                        // Check for string attachment
                        $bString = $attachment[5];
                        if ($bString) {
                                $string = $attachment[0];
                        } else {
                                $path = $attachment[0];
                        }

                        if (in_array($attachment[0], $incl)) {
                                continue;
                        }
                        $filename = $attachment[1];
                        $name = $attachment[2];
                        $encoding = $attachment[3];
                        $type = $attachment[4];
                        $disposition = $attachment[6];
                        $cid = $attachment[7];
                        $incl[] = $attachment[0];
                        if ($disposition == 'inline' && isset($cidUniq[$cid])) {
                                continue;
                        }
                        $cidUniq[$cid] = true;

                        $mime[] = sprintf("--%s%s", $this->boundary[1], $this->LE);
                        $mime[] = sprintf("Content-Type: %s; name=\"%s\"%s", $type, $this->EncodeHeader($this->SecureHeader($name)), $this->LE);
                        $mime[] = sprintf("Content-Transfer-Encoding: %s%s", $encoding, $this->LE);

                        if ($disposition == 'inline') {
                                $mime[] = sprintf("Content-ID: <%s>%s", $cid, $this->LE);
                        }

                        $mime[] = sprintf("Content-Disposition: %s; filename=\"%s\"%s", $disposition, $this->EncodeHeader($this->SecureHeader($name)), $this->LE . $this->LE);

                        // Encode as string attachment
                        if ($bString) {
                                $mime[] = $this->EncodeString($string, $encoding);
                                if ($this->IsError()) {
                                        return '';
                                }
                                $mime[] = $this->LE . $this->LE;
                        } else {
                                $mime[] = $this->EncodeFile($path, $encoding);
                                if ($this->IsError()) {
                                        return '';
                                }
                                $mime[] = $this->LE . $this->LE;
                        }
                }

                $mime[] = sprintf("--%s--%s", $this->boundary[1], $this->LE);

                return join('', $mime);
        }

        /**
         * Encodes attachment in requested format.
         * Returns an empty string on failure.
         * @param string $path The full path to the file
         * @param string $encoding The encoding to use; one of 'base64', '7bit', '8bit', 'binary', 'quoted-printable'
         * @see EncodeFile()
         * @access private
         * @return string
         */
        private function EncodeFile($path, $encoding = 'base64') {
                try {
                        if (!is_readable($path)) {
                                throw new phpmailerException($this->Lang('file_open') . $path, self::STOP_CONTINUE);
                        }
                        if (function_exists('get_magic_quotes')) {

                                function get_magic_quotes() {
                                        return false;
                                }

                        }
                        if (PHP_VERSION < 6) {
                                $magic_quotes = get_magic_quotes_runtime();
                                set_magic_quotes_runtime(0);
                        }
                        $file_buffer = file_get_contents($path);
                        $file_buffer = $this->EncodeString($file_buffer, $encoding);
                        if (PHP_VERSION < 6) {
                                set_magic_quotes_runtime($magic_quotes);
                        }
                        return $file_buffer;
                } catch (Exception $e) {
                        $this->SetError($e->getMessage());
                        return '';
                }
        }

        /**
         * Encodes string to requested format.
         * Returns an empty string on failure.
         * @param string $str The text to encode
         * @param string $encoding The encoding to use; one of 'base64', '7bit', '8bit', 'binary', 'quoted-printable'
         * @access public
         * @return string
         */
        public function EncodeString($str, $encoding = 'base64') {
                $encoded = '';
                switch (strtolower($encoding)) {
                        case 'base64':
                                $encoded = chunk_split(base64_encode($str), 76, $this->LE);
                                break;
                        case '7bit':
                        case '8bit':
                                $encoded = $this->FixEOL($str);
                                //Make sure it ends with a line break
                                if (substr($encoded, -(strlen($this->LE))) != $this->LE)
                                        $encoded .= $this->LE;
                                break;
                        case 'binary':
                                $encoded = $str;
                                break;
                        case 'quoted-printable':
                                $encoded = $this->EncodeQP($str);
                                break;
                        default:
                                $this->SetError($this->Lang('encoding') . $encoding);
                                break;
                }
                return $encoded;
        }

        /**
         * Encode a header string to best (shortest) of Q, B, quoted or none.
         * @access public
         * @return string
         */
        public function EncodeHeader($str, $position = 'text') {
                $x = 0;

                switch (strtolower($position)) {
                        case 'phrase':
                                if (!preg_match('/[\200-\377]/', $str)) {
                                        // Can't use addslashes as we don't know what value has magic_quotes_sybase
                                        $encoded = addcslashes($str, "\0..\37\177\\\"");
                                        if (($str == $encoded) && !preg_match('/[^A-Za-z0-9!#$%&\'*+\/=?^_`{|}~ -]/', $str)) {
                                                return ($encoded);
                                        } else {
                                                return ("\"$encoded\"");
                                        }
                                }
                                $x = preg_match_all('/[^\040\041\043-\133\135-\176]/', $str, $matches);
                                break;
                        case 'comment':
                                $x = preg_match_all('/[()"]/', $str, $matches);
                        // Fall-through
                        case 'text':
                        default:
                                $x += preg_match_all('/[\000-\010\013\014\016-\037\177-\377]/', $str, $matches);
                                break;
                }

                if ($x == 0) {
                        return ($str);
                }

                $maxlen = 75 - 7 - strlen($this->CharSet);
                // Try to select the encoding which should produce the shortest output
                if (strlen($str) / 3 < $x) {
                        $encoding = 'B';
                        if (function_exists('mb_strlen') && $this->HasMultiBytes($str)) {
                                // Use a custom function which correctly encodes and wraps long
                                // multibyte strings without breaking lines within a character
                                $encoded = $this->Base64EncodeWrapMB($str);
                        } else {
                                $encoded = base64_encode($str);
                                $maxlen -= $maxlen % 4;
                                $encoded = trim(chunk_split($encoded, $maxlen, "\n"));
                        }
                } else {
                        $encoding = 'Q';
                        $encoded = $this->EncodeQ($str, $position);
                        $encoded = $this->WrapText($encoded, $maxlen, true);
                        $encoded = str_replace('=' . $this->LE, "\n", trim($encoded));
                }

                $encoded = preg_replace('/^(.*)$/m', " =?" . $this->CharSet . "?$encoding?\\1?=", $encoded);
                $encoded = trim(str_replace("\n", $this->LE, $encoded));

                return $encoded;
        }

        /**
         * Checks if a string contains multibyte characters.
         * @access public
         * @param string $str multi-byte text to wrap encode
         * @return bool
         */
        public function HasMultiBytes($str) {
                if (function_exists('mb_strlen')) {
                        return (strlen($str) > mb_strlen($str, $this->CharSet));
                } else { // Assume no multibytes (we can't handle without mbstring functions anyway)
                        return false;
                }
        }

        /**
         * Correctly encodes and wraps long multibyte strings for mail headers
         * without breaking lines within a character.
         * Adapted from a function by paravoid at http://uk.php.net/manual/en/function.mb-encode-mimeheader.php
         * @access public
         * @param string $str multi-byte text to wrap encode
         * @return string
         */
        public function Base64EncodeWrapMB($str) {
                $start = "=?" . $this->CharSet . "?B?";
                $end = "?=";
                $encoded = "";

                $mb_length = mb_strlen($str, $this->CharSet);
                // Each line must have length <= 75, including $start and $end
                $length = 75 - strlen($start) - strlen($end);
                // Average multi-byte ratio
                $ratio = $mb_length / strlen($str);
                // Base64 has a 4:3 ratio
                $offset = $avgLength = floor($length * $ratio * .75);

                for ($i = 0; $i < $mb_length; $i += $offset) {
                        $lookBack = 0;

                        do {
                                $offset = $avgLength - $lookBack;
                                $chunk = mb_substr($str, $i, $offset, $this->CharSet);
                                $chunk = base64_encode($chunk);
                                $lookBack++;
                        } while (strlen($chunk) > $length);

                        $encoded .= $chunk . $this->LE;
                }

                // Chomp the last linefeed
                $encoded = substr($encoded, 0, -strlen($this->LE));
                return $encoded;
        }

        /**
         * Encode string to quoted-printable.
         * Only uses standard PHP, slow, but will always work
         * @access public
         * @param string $string the text to encode
         * @param integer $line_max Number of chars allowed on a line before wrapping
         * @return string
         */
        public function EncodeQPphp($input = '', $line_max = 76, $space_conv = false) {
                $hex = array('0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F');
                $lines = preg_split('/(?:\r\n|\r|\n)/', $input);
                $eol = "\r\n";
                $escape = '=';
                $output = '';
                while (list(, $line) = each($lines)) {
                        $linlen = strlen($line);
                        $newline = '';
                        for ($i = 0; $i < $linlen; $i++) {
                                $c = substr($line, $i, 1);
                                $dec = ord($c);
                                if (( $i == 0 ) && ( $dec == 46 )) { // convert first point in the line into =2E
                                        $c = '=2E';
                                }
                                if ($dec == 32) {
                                        if ($i == ( $linlen - 1 )) { // convert space at eol only
                                                $c = '=20';
                                        } else if ($space_conv) {
                                                $c = '=20';
                                        }
                                } elseif (($dec == 61) || ($dec < 32 ) || ($dec > 126)) { // always encode "\t", which is *not* required
                                        $h2 = floor($dec / 16);
                                        $h1 = floor($dec % 16);
                                        $c = $escape . $hex[$h2] . $hex[$h1];
                                }
                                if ((strlen($newline) + strlen($c)) >= $line_max) { // CRLF is not counted
                                        $output .= $newline . $escape . $eol; //  soft line break; " =\r\n" is okay
                                        $newline = '';
                                        // check if newline first character will be point or not
                                        if ($dec == 46) {
                                                $c = '=2E';
                                        }
                                }
                                $newline .= $c;
                        } // end of for
                        $output .= $newline . $eol;
                } // end of while
                return $output;
        }

        /**
         * Encode string to RFC2045 (6.7) quoted-printable format
         * Uses a PHP5 stream filter to do the encoding about 64x faster than the old version
         * Also results in same content as you started with after decoding
         * @see EncodeQPphp()
         * @access public
         * @param string $string the text to encode
         * @param integer $line_max Number of chars allowed on a line before wrapping
         * @param boolean $space_conv Dummy param for compatibility with existing EncodeQP function
         * @return string
         * @author Marcus Bointon
         */
        public function EncodeQP($string, $line_max = 76, $space_conv = false) {
                if (function_exists('quoted_printable_encode')) { //Use native function if it's available (>= PHP5.3)
                        return quoted_printable_encode($string);
                }
                $filters = stream_get_filters();
                if (!in_array('convert.*', $filters)) { //Got convert stream filter?
                        return $this->EncodeQPphp($string, $line_max, $space_conv); //Fall back to old implementation
                }
                $fp = fopen('php://temp/', 'r+');
                $string = preg_replace('/\r\n?/', $this->LE, $string); //Normalise line breaks
                $params = array('line-length' => $line_max, 'line-break-chars' => $this->LE);
                $s = stream_filter_append($fp, 'convert.quoted-printable-encode', STREAM_FILTER_READ, $params);
                fputs($fp, $string);
                rewind($fp);
                $out = stream_get_contents($fp);
                stream_filter_remove($s);
                $out = preg_replace('/^\./m', '=2E', $out); //Encode . if it is first char on a line, workaround for bug in Exchange
                fclose($fp);
                return $out;
        }

        /**
         * Encode string to q encoding.
         * @link http://tools.ietf.org/html/rfc2047
         * @param string $str the text to encode
         * @param string $position Where the text is going to be used, see the RFC for what that means
         * @access public
         * @return string
         */
        public function EncodeQ($str, $position = 'text') {
                // There should not be any EOL in the string
                $encoded = preg_replace('/[\r\n]*/', '', $str);

                switch (strtolower($position)) {
                        case 'phrase':
                                $encoded = preg_replace("/([^A-Za-z0-9!*+\/ -])/e", "'='.sprintf('%02X', ord('\\1'))", $encoded);
                                break;
                        case 'comment':
                                $encoded = preg_replace("/([\(\)\"])/e", "'='.sprintf('%02X', ord('\\1'))", $encoded);
                        case 'text':
                        default:
                                // Replace every high ascii, control =, ? and _ characters
                                //TODO using /e (equivalent to eval()) is probably not a good idea
                                $encoded = preg_replace('/([\000-\011\013\014\016-\037\075\077\137\177-\377])/e', "'='.sprintf('%02X', ord('\\1'))", $encoded);
                                break;
                }

                // Replace every spaces to _ (more readable than =20)
                $encoded = str_replace(' ', '_', $encoded);

                return $encoded;
        }

        /**
         * Adds a string or binary attachment (non-filesystem) to the list.
         * This method can be used to attach ascii or binary data,
         * such as a BLOB record from a database.
         * @param string $string String attachment data.
         * @param string $filename Name of the attachment.
         * @param string $encoding File encoding (see $Encoding).
         * @param string $type File extension (MIME) type.
         * @return void
         */
        public function AddStringAttachment($string, $filename, $encoding = 'base64', $type = 'application/octet-stream') {
                // Append to $attachment array
                $this->attachment[] = array(
                    0 => $string,
                    1 => $filename,
                    2 => basename($filename),
                    3 => $encoding,
                    4 => $type,
                    5 => true, // isStringAttachment
                    6 => 'attachment',
                    7 => 0
                );
        }

        /**
         * Adds an embedded attachment.  This can include images, sounds, and
         * just about any other document.  Make sure to set the $type to an
         * image type.  For JPEG images use "image/jpeg" and for GIF images
         * use "image/gif".
         * @param string $path Path to the attachment.
         * @param string $cid Content ID of the attachment.  Use this to identify
         *        the Id for accessing the image in an HTML form.
         * @param string $name Overrides the attachment name.
         * @param string $encoding File encoding (see $Encoding).
         * @param string $type File extension (MIME) type.
         * @return bool
         */
        public function AddEmbeddedImage($path, $cid, $name = '', $encoding = 'base64', $type = 'application/octet-stream') {

                if (!@is_file($path)) {
                        $this->SetError($this->Lang('file_access') . $path);
                        return false;
                }

                $filename = basename($path);
                if ($name == '') {
                        $name = $filename;
                }

                // Append to $attachment array
                $this->attachment[] = array(
                    0 => $path,
                    1 => $filename,
                    2 => $name,
                    3 => $encoding,
                    4 => $type,
                    5 => false, // isStringAttachment
                    6 => 'inline',
                    7 => $cid
                );

                return true;
        }

        /**
         * Returns true if an inline attachment is present.
         * @access public
         * @return bool
         */
        public function InlineImageExists() {
                foreach ($this->attachment as $attachment) {
                        if ($attachment[6] == 'inline') {
                                return true;
                        }
                }
                return false;
        }

        /////////////////////////////////////////////////
        // CLASS METHODS, MESSAGE RESET
        /////////////////////////////////////////////////

        /**
         * Clears all recipients assigned in the TO array.  Returns void.
         * @return void
         */
        public function ClearAddresses() {
                foreach ($this->to as $to) {
                        unset($this->all_recipients[strtolower($to[0])]);
                }
                $this->to = array();
        }

        /**
         * Clears all recipients assigned in the CC array.  Returns void.
         * @return void
         */
        public function ClearCCs() {
                foreach ($this->cc as $cc) {
                        unset($this->all_recipients[strtolower($cc[0])]);
                }
                $this->cc = array();
        }

        /**
         * Clears all recipients assigned in the BCC array.  Returns void.
         * @return void
         */
        public function ClearBCCs() {
                foreach ($this->bcc as $bcc) {
                        unset($this->all_recipients[strtolower($bcc[0])]);
                }
                $this->bcc = array();
        }

        /**
         * Clears all recipients assigned in the ReplyTo array.  Returns void.
         * @return void
         */
        public function ClearReplyTos() {
                $this->ReplyTo = array();
        }

        /**
         * Clears all recipients assigned in the TO, CC and BCC
         * array.  Returns void.
         * @return void
         */
        public function ClearAllRecipients() {
                $this->to = array();
                $this->cc = array();
                $this->bcc = array();
                $this->all_recipients = array();
        }

        /**
         * Clears all previously set filesystem, string, and binary
         * attachments.  Returns void.
         * @return void
         */
        public function ClearAttachments() {
                $this->attachment = array();
        }

        /**
         * Clears all custom headers.  Returns void.
         * @return void
         */
        public function ClearCustomHeaders() {
                $this->CustomHeader = array();
        }

        /////////////////////////////////////////////////
        // CLASS METHODS, MISCELLANEOUS
        /////////////////////////////////////////////////

        /**
         * Adds the error message to the error container.
         * @access protected
         * @return void
         */
        protected function SetError($msg) {
                $this->error_count++;
                if ($this->Mailer == 'smtp' and !is_null($this->smtp)) {
                        $lasterror = $this->smtp->getError();
                        if (!empty($lasterror) and array_key_exists('smtp_msg', $lasterror)) {
                                $msg .= '<p>' . $this->Lang('smtp_error') . $lasterror['smtp_msg'] . "</p>\n";
                        }
                }
                $this->ErrorInfo = $msg;
        }

        /**
         * Returns the proper RFC 822 formatted date.
         * @access public
         * @return string
         * @static
         */
        public static function RFCDate() {
                $tz = date('Z');
                $tzs = ($tz < 0) ? '-' : '+';
                $tz = abs($tz);
                $tz = (int) ($tz / 3600) * 100 + ($tz % 3600) / 60;
                $result = sprintf("%s %s%04d", date('D, j M Y H:i:s'), $tzs, $tz);

                return $result;
        }

        /**
         * Returns the server hostname or 'localhost.localdomain' if unknown.
         * @access private
         * @return string
         */
        private function ServerHostname() {
                if (!empty($this->Hostname)) {
                        $result = $this->Hostname;
                } elseif (isset($_SERVER['SERVER_NAME'])) {
                        $result = $_SERVER['SERVER_NAME'];
                } else {
                        $result = 'localhost.localdomain';
                }

                return $result;
        }

        /**
         * Returns a message in the appropriate language.
         * @access private
         * @return string
         */
        private function Lang($key) {
                if (count($this->language) < 1) {
                        $this->SetLanguage('en'); // set the default language
                }

                if (isset($this->language[$key])) {
                        return $this->language[$key];
                } else {
                        return 'Language string failed to load: ' . $key;
                }
        }

        /**
         * Returns true if an error occurred.
         * @access public
         * @return bool
         */
        public function IsError() {
                return ($this->error_count > 0);
        }

        /**
         * Changes every end of line from CR or LF to CRLF.
         * @access private
         * @return string
         */
        private function FixEOL($str) {
                $str = str_replace("\r\n", "\n", $str);
                $str = str_replace("\r", "\n", $str);
                $str = str_replace("\n", $this->LE, $str);
                return $str;
        }

        /**
         * Adds a custom header.
         * @access public
         * @return void
         */
        public function AddCustomHeader($custom_header) {
                $this->CustomHeader[] = explode(':', $custom_header, 2);
        }

        /**
         * Evaluates the message and returns modifications for inline images and backgrounds
         * @access public
         * @return $message
         */
        public function MsgHTML($message, $basedir = '') {
                preg_match_all("/(src|background)=\"(.*)\"/Ui", $message, $images);
                if (isset($images[2])) {
                        foreach ($images[2] as $i => $url) {
                                // do not change urls for absolute images (thanks to corvuscorax)
                                if (!preg_match('#^[A-z]+://#', $url)) {
                                        $filename = basename($url);
                                        $directory = dirname($url);
                                        ($directory == '.') ? $directory = '' : '';
                                        $cid = 'cid:' . md5($filename);
                                        $ext = pathinfo($filename, PATHINFO_EXTENSION);
                                        $mimeType = self::_mime_types($ext);
                                        if (strlen($basedir) > 1 && substr($basedir, -1) != '/') {
                                                $basedir .= '/';
                                        }
                                        if (strlen($directory) > 1 && substr($directory, -1) != '/') {
                                                $directory .= '/';
                                        }
                                        if ($this->AddEmbeddedImage($basedir . $directory . $filename, md5($filename), $filename, 'base64', $mimeType)) {
                                                $message = preg_replace("/" . $images[1][$i] . "=\"" . preg_quote($url, '/') . "\"/Ui", $images[1][$i] . "=\"" . $cid . "\"", $message);
                                        }
                                }
                        }
                }
                $this->IsHTML(true);
                $this->Body = $message;
                $textMsg = trim(strip_tags(preg_replace('/<(head|title|style|script)[^>]*>.*?<\/\\1>/s', '', $message)));
                if (!empty($textMsg) && empty($this->AltBody)) {
                        $this->AltBody = html_entity_decode($textMsg);
                }
                if (empty($this->AltBody)) {
                        $this->AltBody = 'To view this email message, open it in a program that understands HTML!' . "\n\n";
                }
        }

        /**
         * Gets the MIME type of the embedded or inline image
         * @param string File extension
         * @access public
         * @return string MIME type of ext
         * @static
         */
        public static function _mime_types($ext = '') {
                $mimes = array(
                    'hqx' => 'application/mac-binhex40',
                    'cpt' => 'application/mac-compactpro',
                    'doc' => 'application/msword',
                    'bin' => 'application/macbinary',
                    'dms' => 'application/octet-stream',
                    'lha' => 'application/octet-stream',
                    'lzh' => 'application/octet-stream',
                    'exe' => 'application/octet-stream',
                    'class' => 'application/octet-stream',
                    'psd' => 'application/octet-stream',
                    'so' => 'application/octet-stream',
                    'sea' => 'application/octet-stream',
                    'dll' => 'application/octet-stream',
                    'oda' => 'application/oda',
                    'pdf' => 'application/pdf',
                    'ai' => 'application/postscript',
                    'eps' => 'application/postscript',
                    'ps' => 'application/postscript',
                    'smi' => 'application/smil',
                    'smil' => 'application/smil',
                    'mif' => 'application/vnd.mif',
                    'xls' => 'application/vnd.ms-excel',
                    'ppt' => 'application/vnd.ms-powerpoint',
                    'wbxml' => 'application/vnd.wap.wbxml',
                    'wmlc' => 'application/vnd.wap.wmlc',
                    'dcr' => 'application/x-director',
                    'dir' => 'application/x-director',
                    'dxr' => 'application/x-director',
                    'dvi' => 'application/x-dvi',
                    'gtar' => 'application/x-gtar',
                    'php' => 'application/x-httpd-php',
                    'php4' => 'application/x-httpd-php',
                    'php3' => 'application/x-httpd-php',
                    'phtml' => 'application/x-httpd-php',
                    'phps' => 'application/x-httpd-php-source',
                    'js' => 'application/x-javascript',
                    'swf' => 'application/x-shockwave-flash',
                    'sit' => 'application/x-stuffit',
                    'tar' => 'application/x-tar',
                    'tgz' => 'application/x-tar',
                    'xhtml' => 'application/xhtml+xml',
                    'xht' => 'application/xhtml+xml',
                    'zip' => 'application/zip',
                    'mid' => 'audio/midi',
                    'midi' => 'audio/midi',
                    'mpga' => 'audio/mpeg',
                    'mp2' => 'audio/mpeg',
                    'mp3' => 'audio/mpeg',
                    'aif' => 'audio/x-aiff',
                    'aiff' => 'audio/x-aiff',
                    'aifc' => 'audio/x-aiff',
                    'ram' => 'audio/x-pn-realaudio',
                    'rm' => 'audio/x-pn-realaudio',
                    'rpm' => 'audio/x-pn-realaudio-plugin',
                    'ra' => 'audio/x-realaudio',
                    'rv' => 'video/vnd.rn-realvideo',
                    'wav' => 'audio/x-wav',
                    'bmp' => 'image/bmp',
                    'gif' => 'image/gif',
                    'jpeg' => 'image/jpeg',
                    'jpg' => 'image/jpeg',
                    'jpe' => 'image/jpeg',
                    'png' => 'image/png',
                    'tiff' => 'image/tiff',
                    'tif' => 'image/tiff',
                    'css' => 'text/css',
                    'html' => 'text/html',
                    'htm' => 'text/html',
                    'shtml' => 'text/html',
                    'txt' => 'text/plain',
                    'text' => 'text/plain',
                    'log' => 'text/plain',
                    'rtx' => 'text/richtext',
                    'rtf' => 'text/rtf',
                    'xml' => 'text/xml',
                    'xsl' => 'text/xml',
                    'mpeg' => 'video/mpeg',
                    'mpg' => 'video/mpeg',
                    'mpe' => 'video/mpeg',
                    'qt' => 'video/quicktime',
                    'mov' => 'video/quicktime',
                    'avi' => 'video/x-msvideo',
                    'movie' => 'video/x-sgi-movie',
                    'doc' => 'application/msword',
                    'word' => 'application/msword',
                    'xl' => 'application/excel',
                    'eml' => 'message/rfc822'
                );
                return (!isset($mimes[strtolower($ext)])) ? 'application/octet-stream' : $mimes[strtolower($ext)];
        }

        /**
         * Set (or reset) Class Objects (variables)
         *
         * Usage Example:
         * $page->set('X-Priority', '3');
         *
         * @access public
         * @param string $name Parameter Name
         * @param mixed $value Parameter Value
         * NOTE: will not work with arrays, there are no arrays to set/reset
         * @todo Should this not be using __set() magic function?
         */
        public function set($name, $value = '') {
                try {
                        if (isset($this->$name)) {
                                $this->$name = $value;
                        } else {
                                throw new phpmailerException($this->Lang('variable_set') . $name, self::STOP_CRITICAL);
                        }
                } catch (Exception $e) {
                        $this->SetError($e->getMessage());
                        if ($e->getCode() == self::STOP_CRITICAL) {
                                return false;
                        }
                }
                return true;
        }

        /**
         * Strips newlines to prevent header injection.
         * @access public
         * @param string $str String
         * @return string
         */
        public function SecureHeader($str) {
                $str = str_replace("\r", '', $str);
                $str = str_replace("\n", '', $str);
                return trim($str);
        }

        /**
         * Set the private key file and password to sign the message.
         *
         * @access public
         * @param string $key_filename Parameter File Name
         * @param string $key_pass Password for private key
         */
        public function Sign($cert_filename, $key_filename, $key_pass) {
                $this->sign_cert_file = $cert_filename;
                $this->sign_key_file = $key_filename;
                $this->sign_key_pass = $key_pass;
        }

        /**
         * Set the private key file and password to sign the message.
         *
         * @access public
         * @param string $key_filename Parameter File Name
         * @param string $key_pass Password for private key
         */
        public function DKIM_QP($txt) {
                $tmp = "";
                $line = "";
                for ($i = 0; $i < strlen($txt); $i++) {
                        $ord = ord($txt[$i]);
                        if (((0x21 <= $ord) && ($ord <= 0x3A)) || $ord == 0x3C || ((0x3E <= $ord) && ($ord <= 0x7E))) {
                                $line.=$txt[$i];
                        } else {
                                $line.="=" . sprintf("%02X", $ord);
                        }
                }
                return $line;
        }

        /**
         * Generate DKIM signature
         *
         * @access public
         * @param string $s Header
         */
        public function DKIM_Sign($s) {
                $privKeyStr = file_get_contents($this->DKIM_private);
                if ($this->DKIM_passphrase != '') {
                        $privKey = openssl_pkey_get_private($privKeyStr, $this->DKIM_passphrase);
                } else {
                        $privKey = $privKeyStr;
                }
                if (openssl_sign($s, $signature, $privKey)) {
                        return base64_encode($signature);
                }
        }

        /**
         * Generate DKIM Canonicalization Header
         *
         * @access public
         * @param string $s Header
         */
        public function DKIM_HeaderC($s) {
                $s = preg_replace("/\r\n\s+/", " ", $s);
                $lines = explode("\r\n", $s);
                foreach ($lines as $key => $line) {
                        list($heading, $value) = explode(":", $line, 2);
                        $heading = strtolower($heading);
                        $value = preg_replace("/\s+/", " ", $value); // Compress useless spaces
                        $lines[$key] = $heading . ":" . trim($value); // Don't forget to remove WSP around the value
                }
                $s = implode("\r\n", $lines);
                return $s;
        }

        /**
         * Generate DKIM Canonicalization Body
         *
         * @access public
         * @param string $body Message Body
         */
        public function DKIM_BodyC($body) {
                if ($body == '')
                        return "\r\n";
                // stabilize line endings
                $body = str_replace("\r\n", "\n", $body);
                $body = str_replace("\n", "\r\n", $body);
                // END stabilize line endings
                while (substr($body, strlen($body) - 4, 4) == "\r\n\r\n") {
                        $body = substr($body, 0, strlen($body) - 2);
                }
                return $body;
        }

        /**
         * Create the DKIM header, body, as new header
         *
         * @access public
         * @param string $headers_line Header lines
         * @param string $subject Subject
         * @param string $body Body
         */
        public function DKIM_Add($headers_line, $subject, $body) {
                $DKIMsignatureType = 'rsa-sha1'; // Signature & hash algorithms
                $DKIMcanonicalization = 'relaxed/simple'; // Canonicalization of header/body
                $DKIMquery = 'dns/txt'; // Query method
                $DKIMtime = time(); // Signature Timestamp = seconds since 00:00:00 - Jan 1, 1970 (UTC time zone)
                $subject_header = "Subject: $subject";
                $headers = explode("\r\n", $headers_line);
                foreach ($headers as $header) {
                        if (strpos($header, 'From:') === 0) {
                                $from_header = $header;
                        } elseif (strpos($header, 'To:') === 0) {
                                $to_header = $header;
                        }
                }
                $from = str_replace('|', '=7C', $this->DKIM_QP($from_header));
                $to = str_replace('|', '=7C', $this->DKIM_QP($to_header));
                $subject = str_replace('|', '=7C', $this->DKIM_QP($subject_header)); // Copied header fields (dkim-quoted-printable
                $body = $this->DKIM_BodyC($body);
                $DKIMlen = strlen($body); // Length of body
                $DKIMb64 = base64_encode(pack("H*", sha1($body))); // Base64 of packed binary SHA-1 hash of body
                $ident = ($this->DKIM_identity == '') ? '' : " i=" . $this->DKIM_identity . ";";
                $dkimhdrs = "DKIM-Signature: v=1; a=" . $DKIMsignatureType . "; q=" . $DKIMquery . "; l=" . $DKIMlen . "; s=" . $this->DKIM_selector . ";\r\n" .
                        "\tt=" . $DKIMtime . "; c=" . $DKIMcanonicalization . ";\r\n" .
                        "\th=From:To:Subject;\r\n" .
                        "\td=" . $this->DKIM_domain . ";" . $ident . "\r\n" .
                        "\tz=$from\r\n" .
                        "\t|$to\r\n" .
                        "\t|$subject;\r\n" .
                        "\tbh=" . $DKIMb64 . ";\r\n" .
                        "\tb=";
                $toSign = $this->DKIM_HeaderC($from_header . "\r\n" . $to_header . "\r\n" . $subject_header . "\r\n" . $dkimhdrs);
                $signed = $this->DKIM_Sign($toSign);
                return "X-PHPMAILER-DKIM: phpmailer.worxware.com\r\n" . $dkimhdrs . $signed . "\r\n";
        }

        protected function doCallback($isSent, $to, $cc, $bcc, $subject, $body) {
                if (!empty($this->action_function) && function_exists($this->action_function)) {
                        $params = array($isSent, $to, $cc, $bcc, $subject, $body);
                        call_user_func_array($this->action_function, $params);
                }
        }

}

class phpmailerException extends Exception {

        public function errorMessage() {
                $errorMsg = '<strong>' . $this->getMessage() . "</strong><br />\n";
                return $errorMsg;
        }

}

?>